The dataset contains the original site boundaries for all Geological Conservation Review (GCR) Sites in Wales. The boundaries define the area of a particular GCR Site (usually coincident with the geological feature as defined by Common Standards Monitoring). Proposed, current and de-notified boundaries are included. Records originally collected to show the extent of GCR blocks. These blocks

Regionally Important Geological and Geomorphological Sites (RIGS) are a purely voluntary scheme; councils are notified of sites but they have no statutory protection. The dataset also contains spatial information in the form of a layer file which contain RIGS sites data. It is intended that RIGS data be used by any organisation with an interest in the subject matter.